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HC55180 Datasheet(PDF) 5 Page - Intersil Corporation |
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HC55180 Datasheet(HTML) 5 Page - Intersil Corporation |
5 / 19 page 32 NOTES: 2. These parameters are specified at high battery operation. For the HC55180 the external supply is set to high battery voltage, for the HC55181, HC55182, HC55183 and HC55184, BSEL = 1. 3. These parameters are controlled via design or process parameters and are not directly tested. These parameters are characterized upon initial design release and upon design changes which would affect these characteristics. 4. Differential Ringing Gain is measured with VRS = 0.795 VRMS for -100V devices, VRS = 0.663 VRMS for -85V devices and VRS = 0.575 VRMS for -75V devices. 5. These parameters are specified at low battery operation. For the HC55180, the external supply is set to low battery voltage, for the HC55181, HC55182, HC55183 and HC55184, BSEL = 0. 6. Forward Active and Reverse Active performance is guaranteed for the HC55180, HC55181 and HC55184 devices only. The HC55182 and HC55183 are specified for Forward Active operation only. LOOP DETECTORS AND SUPERVISORY FUNCTIONS Switch Hook Programming Range 5 - 15 mA Switch Hook Programming Accuracy Assumes 1% external programming resistor - 2 10 % Dial Pulse Distortion -- 1 % Ring Trip Comparator Threshold 2.3 2.6 2.9 V Ring Trip Programming Current Accuracy - - 10 % Ground Key Threshold 10 12 13.5 mA Thermal Alarm Output IC junction temperature - 175 - oC LOGIC INPUTS (F0, F1, F2, E0, SWC) Input Low Voltage - - 0.8 V Input High Voltage 2.0 - - V Input Low Current VIL = 0.4V -20 - - µA Input High Current VIH = 2.4V - - 5 µA LOGIC OUTPUTS (DET, ALM) Output Low Voltage IOL = 5mA - - 0.4 V Output High Voltage IOH = 100 µA 2.4 - - V POWER SUPPLY REJECTION RATIO VCC to 2-Wire f = 300Hz - 40 - dB f = 1kHz - 35 - dB f = 3.4kHz - 28 - dB VCC to 4-Wire f = 300Hz - 45 - dB f = 1kHz - 43 - dB f = 3.4kHz - 33 - dB VBL to 2-Wire 300Hz ≤ f ≤ 3.4kHz - 30 - dB VBL to 4-Wire 300Hz ≤ f ≤ 3.4kHz - 35 - dB VBH to 2-Wire 300Hz ≤ f ≤ 3.4kHz - 33 - dB VBH to 4-Wire 300Hz ≤ f ≤ 1kHz - 40 - dB 1kHz < f ≤ 3.4kHz - 45 - dB Electrical Specifications Unless Otherwise Specified, TA = 0 oC to 70oC for the HC55183, 184 only, all others -40oC to 85oC, V BL = -24V, VBH = -100V, -85V or -75V, VCC = +5V, AGND = BGND = 0V, loop current limit = 25mA. All AC Parameters are specified at 600 Ω 2-wire terminating impedance over the frequency band of 300Hz to 3.4kHz. Protection resistors = 0 Ω. These parameters apply generically to each product offering. (Continued) PARAMETER TEST CONDITIONS MIN TYP MAX UNITS HC55180, HC55181, HC55182, HC55183, HC55184 |
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